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JNAN PUBLICATION-PHYSICAL AND CHEMICAL PROPERTIES OF MATTER POTASSIUM CHLORATE, BARIUM PER OXIDE MAGNESIUM-EXAMPLE
- What is vanderwaaPs radius?
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- What do you mean by Metallic radius?
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- State - Dobereinears law of triads.
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- What is period?
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- What is meant by groups?
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- What is the nature of group 1 (1A) elements in the periodic table?
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- What are the properties of group 2(11A) elements of periodic table?
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- Define transitional elements.
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- Write four names of transuranic elements.
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- What do you know about the reactivity of 'group 18' elements of period...
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- Write the properties of ionic compounds?
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- Write two line of Kossel's proposal for ionic bonding.
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- What is the limitation of octet rule?
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- What do you mean by electro valent bond?
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- What is electrovalency?
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- What is meant by electrons?
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- What do you mean by exothermic and endothermic process?
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- Why do ionic compounds exist as solids?
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- What is meant by covalency of an atom?
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- Define: covalent bond
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